Partners' Capital, Mezzanine Equity and Distributions (Preferred Distributions Paid in Kind) (Details) - USD ($) $ in Thousands	May 15, 2019	Feb. 14, 2019	Dec. 31, 2021	Dec. 31, 2020
Distribution Made to Limited Partner [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred Units, Units issued			10,145	9,499
Class A Convertible Preferred Units
Distribution Made to Limited Partner [Line Items]
Date Issued	May 15, 2019	Feb. 14, 2019
Number of Units (in units)	364,180	534,576
Total Amount	$ 12,277	$ 18,021